448015540 has 24 divisors (see below), whose sum is σ = 1075237632. Its totient is φ = 153605280.

The previous prime is 448015531. The next prime is 448015543. The reversal of 448015540 is 45510844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448015543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599916 + ... + 1600195.

It is an arithmetic number, because the mean of its divisors is an integer number (44801568).

Almost surely, 2^448015540 is an apocalyptic number.

It is an amenable number.

448015540 is an abundant number, since it is smaller than the sum of its proper divisors (627222092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448015540 is a wasteful number, since it uses less digits than its factorization.

448015540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200127 (or 3200125 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 448015540 is about 21166.3775833278. The cubic root of 448015540 is about 765.1813203134.

The spelling of 448015540 in words is "four hundred forty-eight million, fifteen thousand, five hundred forty".